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논문 기본 정보

자료유형
학술저널
저자정보
Seok cheol Kim (Rural Development Administration) Byong Gu Ko (Rural Development Administration) Seong Jin Park (Rural Development Administration) Myung Sook Kim (Rural Development Administration) Seong Heon Kim (Rural Development Administration) Chang Hoon Lee (Rural Development Administration)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제51권 제3호
발행연도
2018.8
수록면
296 - 305 (10page)

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Organic fertilizer has been one of soil management to improve crop productivity and soil fertility. Unfortunately, there is little information on optimum level of organic fertilizer for crop cultivation. In this study, we were tried to use the fertilizer recommendation system for determining organic fertilizer application under upland soil condition. This work was carried out; 1) to compare the effects of organic fertilizer and compost application on yields of Chinese cabbage, and 2) to estimate optimum levels on three types of organic fertilizer of 0, 50, 100, 200, and 400% with 320 kg N ha<SUP>-1</SUP>. The yield of Chinese cabbage in organic fertilizer plots was ranged from 71.3 to 74.1% compared to yield index of NPK. which was 2-7 times higher than in compost treatments due to improvement of N uptake efficiency. However, organic fertilizer was required addition of about 1.5-2.0 times amount to the 4 Mg ha<SUP>-1</SUP> to gain the same yield of NPK treatment, these was similar soil properties of NPK treatments. This result indicated that fertilizer recommendation system could be alternative to calculate optimum levels of organic fertilizer for crop cultivation in upland soil.

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ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References

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